Ness L300 - Control Unit; Figure 12:Foot Sensor and Battery; Figure 13: Control Unit and Battery

30
Control Unit
The control unit’s battery is a rechargeable AAA battery and needs
replacing approximately every 2 years.
Note
The batteries must be charged before the first use,
after every day’s use, and after extended storage.
1. Remove the screw from the battery cover on the back of the
control unit.
2. Remove the battery cover.
Remove the old battery.
3. Insert a new battery (rechargeable AAA), according the “+” and "-
" marks in the battery socket.
4. Slide the cover back into place and tighten the screw.
Figure 13: Control Unit and Battery
Control Unit
Battery Cover
and Screw
Batter
y
Tip: If you are unable to replace
the battery yourself, your clinician
or local watchmaker should be
able to assist you